./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label59_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7618bcee-60ed-4897-863b-a41a78c50814/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7618bcee-60ed-4897-863b-a41a78c50814/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7618bcee-60ed-4897-863b-a41a78c50814/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7618bcee-60ed-4897-863b-a41a78c50814/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label59_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7618bcee-60ed-4897-863b-a41a78c50814/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7618bcee-60ed-4897-863b-a41a78c50814/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5f1f3e9c958502587d73771213325403adeeeeae .................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 14:53:09,825 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 14:53:09,826 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 14:53:09,832 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 14:53:09,833 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 14:53:09,833 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 14:53:09,834 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 14:53:09,835 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 14:53:09,836 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 14:53:09,836 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 14:53:09,837 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 14:53:09,837 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 14:53:09,837 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 14:53:09,838 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 14:53:09,838 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 14:53:09,839 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 14:53:09,839 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 14:53:09,840 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 14:53:09,841 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 14:53:09,842 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 14:53:09,843 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 14:53:09,844 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 14:53:09,845 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 14:53:09,845 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 14:53:09,845 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 14:53:09,846 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 14:53:09,846 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 14:53:09,847 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 14:53:09,847 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 14:53:09,848 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 14:53:09,848 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 14:53:09,848 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 14:53:09,848 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 14:53:09,849 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 14:53:09,849 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 14:53:09,849 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 14:53:09,850 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7618bcee-60ed-4897-863b-a41a78c50814/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 14:53:09,857 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 14:53:09,858 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 14:53:09,858 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 14:53:09,858 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 14:53:09,859 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 14:53:09,859 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 14:53:09,859 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 14:53:09,859 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 14:53:09,859 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 14:53:09,860 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 14:53:09,860 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 14:53:09,860 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 14:53:09,860 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 14:53:09,860 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 14:53:09,860 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 14:53:09,860 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 14:53:09,860 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 14:53:09,861 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 14:53:09,861 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 14:53:09,861 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 14:53:09,861 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 14:53:09,861 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 14:53:09,861 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 14:53:09,861 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 14:53:09,861 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 14:53:09,862 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 14:53:09,862 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 14:53:09,862 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 14:53:09,862 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 14:53:09,862 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_7618bcee-60ed-4897-863b-a41a78c50814/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5f1f3e9c958502587d73771213325403adeeeeae [2018-12-02 14:53:09,880 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 14:53:09,889 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 14:53:09,892 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 14:53:09,893 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 14:53:09,894 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 14:53:09,894 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7618bcee-60ed-4897-863b-a41a78c50814/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label59_true-unreach-call.c [2018-12-02 14:53:09,942 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7618bcee-60ed-4897-863b-a41a78c50814/bin-2019/ukojak/data/28d834c0c/e84ff0d00912465f88f8b6b0478440df/FLAG93e278d4b [2018-12-02 14:53:10,302 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 14:53:10,302 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7618bcee-60ed-4897-863b-a41a78c50814/sv-benchmarks/c/eca-rers2012/Problem10_label59_true-unreach-call.c [2018-12-02 14:53:10,310 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7618bcee-60ed-4897-863b-a41a78c50814/bin-2019/ukojak/data/28d834c0c/e84ff0d00912465f88f8b6b0478440df/FLAG93e278d4b [2018-12-02 14:53:10,704 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7618bcee-60ed-4897-863b-a41a78c50814/bin-2019/ukojak/data/28d834c0c/e84ff0d00912465f88f8b6b0478440df [2018-12-02 14:53:10,707 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 14:53:10,709 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 14:53:10,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 14:53:10,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 14:53:10,713 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 14:53:10,714 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:53:10" (1/1) ... [2018-12-02 14:53:10,716 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@630ff43d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:10, skipping insertion in model container [2018-12-02 14:53:10,716 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:53:10" (1/1) ... [2018-12-02 14:53:10,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 14:53:10,754 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 14:53:10,942 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:53:10,945 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 14:53:11,033 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:53:11,042 INFO L195 MainTranslator]: Completed translation [2018-12-02 14:53:11,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:11 WrapperNode [2018-12-02 14:53:11,043 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 14:53:11,043 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 14:53:11,043 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 14:53:11,043 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 14:53:11,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:11" (1/1) ... [2018-12-02 14:53:11,058 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:11" (1/1) ... [2018-12-02 14:53:11,090 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 14:53:11,091 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 14:53:11,091 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 14:53:11,091 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 14:53:11,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:11" (1/1) ... [2018-12-02 14:53:11,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:11" (1/1) ... [2018-12-02 14:53:11,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:11" (1/1) ... [2018-12-02 14:53:11,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:11" (1/1) ... [2018-12-02 14:53:11,111 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:11" (1/1) ... [2018-12-02 14:53:11,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:11" (1/1) ... [2018-12-02 14:53:11,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:11" (1/1) ... [2018-12-02 14:53:11,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 14:53:11,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 14:53:11,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 14:53:11,127 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 14:53:11,127 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7618bcee-60ed-4897-863b-a41a78c50814/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 14:53:11,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 14:53:11,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 14:53:52,160 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 14:53:52,160 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 14:53:52,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:53:52 BoogieIcfgContainer [2018-12-02 14:53:52,161 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 14:53:52,161 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 14:53:52,161 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 14:53:52,169 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 14:53:52,169 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:53:52" (1/1) ... [2018-12-02 14:53:52,177 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:53:52,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:53:52,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-02 14:53:52,200 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-02 14:53:52,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 14:53:52,202 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:53:52,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:53:52,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:53:52,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:53:52,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-02 14:53:52,389 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-02 14:53:52,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 14:53:52,390 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:53:52,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:53:52,815 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:53:53,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:53:53,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2018-12-02 14:53:53,172 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2018-12-02 14:53:53,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 14:53:53,174 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:53:53,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:53:53,711 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:53:54,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:53:54,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 25 states and 45 transitions. [2018-12-02 14:53:54,496 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 45 transitions. [2018-12-02 14:53:54,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 14:53:54,496 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:53:54,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:53:54,727 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:53:55,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:53:55,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 28 states and 50 transitions. [2018-12-02 14:53:55,247 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 50 transitions. [2018-12-02 14:53:55,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 14:53:55,248 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:53:55,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:53:57,314 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 26 [2018-12-02 14:53:57,524 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 33 [2018-12-02 14:53:57,542 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:53:59,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:53:59,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 35 states and 65 transitions. [2018-12-02 14:53:59,230 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 65 transitions. [2018-12-02 14:53:59,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 14:53:59,230 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:53:59,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:54:00,339 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:54:11,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:54:11,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 41 states and 76 transitions. [2018-12-02 14:54:11,214 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 76 transitions. [2018-12-02 14:54:11,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 14:54:11,215 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:54:11,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:54:12,584 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 48 [2018-12-02 14:54:13,053 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 27 [2018-12-02 14:54:13,323 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 28 [2018-12-02 14:54:13,637 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 35 [2018-12-02 14:54:13,659 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:54:36,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:54:36,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 50 states and 104 transitions. [2018-12-02 14:54:36,014 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 104 transitions. [2018-12-02 14:54:36,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 14:54:36,014 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:54:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:54:36,564 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:54:37,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:54:37,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 54 states and 111 transitions. [2018-12-02 14:54:37,448 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 111 transitions. [2018-12-02 14:54:37,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 14:54:37,449 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:54:37,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:54:37,998 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:54:38,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:54:38,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 56 states and 117 transitions. [2018-12-02 14:54:38,213 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 117 transitions. [2018-12-02 14:54:38,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 14:54:38,213 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:54:38,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:54:39,357 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 20 proven. 17 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 14:54:49,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:54:49,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 38 states and 85 transitions. [2018-12-02 14:54:49,713 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 85 transitions. [2018-12-02 14:54:49,713 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 14:54:49,713 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-12-02 14:54:49,720 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 14:54:49,841 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 33 [2018-12-02 14:54:50,078 WARN L180 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 42 [2018-12-02 14:54:50,242 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 42 [2018-12-02 14:54:50,392 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 34 [2018-12-02 14:54:50,392 INFO L583 CodeCheckObserver]: Invariant with dag size 33 [2018-12-02 14:54:50,401 INFO L583 CodeCheckObserver]: Invariant with dag size 42 [2018-12-02 14:54:50,403 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:54:50,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 02:54:50 ImpRootNode [2018-12-02 14:54:50,403 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 14:54:50,404 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 14:54:50,404 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 14:54:50,404 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 14:54:50,405 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:53:52" (3/4) ... [2018-12-02 14:54:50,408 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 14:54:50,422 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2018-12-02 14:54:50,423 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-02 14:54:50,424 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-02 14:54:50,424 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 14:54:50,503 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7618bcee-60ed-4897-863b-a41a78c50814/bin-2019/ukojak/witness.graphml [2018-12-02 14:54:50,504 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 14:54:50,504 INFO L168 Benchmark]: Toolchain (without parser) took 99796.28 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.0 GB). Free memory was 949.5 MB in the beginning and 888.2 MB in the end (delta: 61.3 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-02 14:54:50,505 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 14:54:50,505 INFO L168 Benchmark]: CACSL2BoogieTranslator took 332.94 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -145.7 MB). Peak memory consumption was 51.1 MB. Max. memory is 11.5 GB. [2018-12-02 14:54:50,505 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-02 14:54:50,505 INFO L168 Benchmark]: Boogie Preprocessor took 36.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-02 14:54:50,506 INFO L168 Benchmark]: RCFGBuilder took 41034.07 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 170.9 MB). Free memory was 1.1 GB in the beginning and 796.2 MB in the end (delta: 284.9 MB). Peak memory consumption was 455.8 MB. Max. memory is 11.5 GB. [2018-12-02 14:54:50,506 INFO L168 Benchmark]: CodeCheck took 58242.32 ms. Allocated memory was 1.3 GB in the beginning and 2.1 GB in the end (delta: 760.2 MB). Free memory was 796.2 MB in the beginning and 912.7 MB in the end (delta: -116.5 MB). Peak memory consumption was 643.7 MB. Max. memory is 11.5 GB. [2018-12-02 14:54:50,506 INFO L168 Benchmark]: Witness Printer took 99.83 ms. Allocated memory is still 2.1 GB. Free memory was 912.7 MB in the beginning and 888.2 MB in the end (delta: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2018-12-02 14:54:50,508 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 206 locations, 1 error locations. SAFE Result, 57.5s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5344 SDtfs, 11632 SDslu, 7176 SDs, 0 SdLazy, 39320 SolverSat, 6098 SolverUnsat, 66 SolverUnknown, 0 SolverNotchecked, 149.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1680 GetRequests, 1364 SyntacticMatches, 120 SemanticMatches, 196 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25055 ImplicationChecksByTransitivity, 10.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 7.9s InterpolantComputationTime, 162 NumberOfCodeBlocks, 162 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 152 ConstructedInterpolants, 0 QuantifiedInterpolants, 68180 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 38/228 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 199]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: ((((!(a10 == 3) || !(a19 == 9)) && (((10 <= a19 || a19 <= 8) || !(a10 == 0)) || 0 <= a1 + 12)) && a12 == 0) && a4 == 14) || (((!(!(a10 == 3) || !(a19 == 9)) && a12 == 0) && a4 == 14) && 0 <= a1 + 2247974) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((!(a19 == 9) || !(a10 == 0)) && a12 == 0) && a4 == 14) && (((((!(a10 == 3) || 2 == input) || 3 == input) || !(a19 == 9)) || 6 == input) || 5 == input)) || (((a12 == 0 && !(!(a10 == 3) || !(4 == input))) && a4 == 14) && 0 <= a1 + 2247974)) || ((0 < a1 + 13 && a12 == 0) && a4 == 14) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 332.94 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -145.7 MB). Peak memory consumption was 51.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 41034.07 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 170.9 MB). Free memory was 1.1 GB in the beginning and 796.2 MB in the end (delta: 284.9 MB). Peak memory consumption was 455.8 MB. Max. memory is 11.5 GB. * CodeCheck took 58242.32 ms. Allocated memory was 1.3 GB in the beginning and 2.1 GB in the end (delta: 760.2 MB). Free memory was 796.2 MB in the beginning and 912.7 MB in the end (delta: -116.5 MB). Peak memory consumption was 643.7 MB. Max. memory is 11.5 GB. * Witness Printer took 99.83 ms. Allocated memory is still 2.1 GB. Free memory was 912.7 MB in the beginning and 888.2 MB in the end (delta: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...